Röhler R
Biol Cybern. 1979 Mar 6;32(2):101-6. doi: 10.1007/BF00337441.
Attention is drawn to the fact that under normal visual conditions the sensitivity of the receptor units of the visual system are subject to spatial and temporal variations, and that consequently in performing pattern recognition the visual cortex has to discriminate between external luminance structure and internal sensitivity structure. It is suggested that eye movements are the method by which this discrimination is performed. In a simplified model analysis it is shown that eye movements are a suitable mechanism for this discrimination. Implications of this model for detection threshold and stabilized retinal images are discussed. A new interpretation of the adaptation to sine wave grids is given.
需要注意的是,在正常视觉条件下,视觉系统受体单元的敏感度会受到空间和时间变化的影响,因此在进行模式识别时,视觉皮层必须区分外部亮度结构和内部敏感度结构。有人提出,眼球运动是进行这种区分的方式。在一个简化的模型分析中表明,眼球运动是进行这种区分的合适机制。讨论了该模型对检测阈值和稳定视网膜图像的影响。给出了对正弦波光栅适应的一种新解释。